.bg {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: -1;
}

#center {
	margin: 0 auto;
	height: 500px;
	width: 700px;
	text-align: center;
	overflow: hidden;
	padding: 20px;
	margin-top: 150px;
}

#btn {
	padding: 20px;
}

#login
{
	width:200px;
}

#register
{
	width:200px;
}

#passwordeye {
	background-color: white;
}

.input-group{
	padding:10px;
	text-align: center;
}

.footer {
	left: 40%;
	width: 100%;
	position: fixed;
	bottom: 0;
}
#header{
	/* background-color:pink; */
	width:1200px;
	height:72px;	
	margin-left:auto;
	margin-right:auto;
	/* 元素水平居中，左右自适应 */
	margin-top:42px;/*向上外边距42像素*/
	margin-bottom:42px;/*向下外边距42像素*/
}
#header img{/*logo图片*/
	margin-left:50px;
	margin-right:33px;
	vertical-align:middle;/*设置中线对齐*/
}
#header .a1{/*竖线*/
	border:2px solid #0a6665;
	height:100px;/*68+2+2=72*/
	width:0px;
	margin-right:22px;
	display:inline-block;/*为了让div和其他元素显示在同一行*/
	vertical-align:middle; 
	background-color:#0a6665;
	
}
#header .a2{/*欢迎登陆*/
    font-size:36px;
    color:#0a6665;
	vertical-align:middle;	
}

